JEE Main Chemistry question

Which of the following is a better reducing agent for the reduction RCOOH → RCH₂OH?

(A)SnCl₂/HCl
(B)NaBH₄/ether
(C)H₂/Pd
(D)B₂H₆/H₃O⁺Correct

Answer: (D)

Solution

Diborane (B₂H₆) is a mild, selective reducing agent that is notably effective at reducing carboxylic acids to primary alcohols (it reduces –COOH readily, faster even than esters, due to

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Question ID VK-149254